> > However, if 57 Mb of swap allows this, 57 Mb of extra physical RAM should also> > also allow the grep to be cached, without having to swap out anything.> > > > Well yes, but if I had another 57MB of physical memory then I would> still turn on swap so that other 57MB of unused memory isn't wasted.

Sure, but tell me, for example, what is the point of having swap on a systemlike this: